Perhaps you should try some spelling variations:
"cronicas mexicana en anestesiologia. ;" » "cronica mexicana en anestesiologia. ;", "cronicas americanas en anestesiologia. ;", "cronicas mexicana de anestesiologia. ;"
"clinicas mexicanas de anestesiologia. ;" » "clinicas mexicana de anestesiologia. ;", "clinicas mexicano de anestesiologia. ;", "clinicas mexicana _ anestesiologia. ;", "clinica mexicanas de anestesiologia. ;", "clinical mexicanas de anestesiologia. ;", "clinico mexicanas de anestesiologia. ;"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("clinicas mexicanas de anestesiologia. ;") or ("cronicas mexicana en anestesiologia. ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinicas mexicanas de anestesiologia. ;") OR ("cronicas mexicana en anestesiologia. ;")).
• Removing quotes may allow a broader search: (( clinicas mexicanas de anestesiologia. ; ) or ( cronicas mexicana en anestesiologia. ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinicas mexicanas de anestesiologia. ;") or ("cronicas mexicana en anestesiologia. ;"))*.